Airtac SAI series: standard cylinder - SAI32AX623TCHG

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Description

Specifications: SAI32AX623TCHG — SAI series double-acting single-rod cylinder; 32 mm bore × 623 mm stroke; SUS420J2 rod (A); non-magnetic piston; intermediate trunnion mounting (TC); fluororubber seals (H); G1/8 ports (G).

Product Catalog

Download Airtac Product Catalog (PDF)

For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

SI to SAI replacement guide

Model Code Explained

Code Meaning
SAI Standard double-acting single-rod cylinder
32 32 mm bore
A SUS420J2 stainless steel
X Separator before stroke
623 623 mm stroke
No magnet suffix Without built-in magnet
TC Intermediate trunnion mounting
H Fluororubber seal option
G G1/8 working ports

Technical Specifications

Parameter Value
Model SAI32AX623TCHG
Action Double acting, single rod
Bore 32 mm
Stroke 623 mm; Special stroke; confirm order and delivery conditions
Piston rod material SUS420J2 stainless steel
Magnetic piston Without magnet
Mounting selection Intermediate trunnion mounting
Seal option Fluororubber
Working ports G1/8; two working air ports
Working medium Air filtered to 40 µm or finer
Operating pressure 0.15–1 MPa (1.5–10 bar; approximately 22–145 psi)
Proof pressure 1.5 MPa (15 bar); not continuous operating pressure
Temperature General catalog: -20 to 70 °C; H-assembly range unestablished
Piston speed 30–800 mm/s
Stroke tolerance +1.5 / -0 mm
Cushioning Adjustable pneumatic cushion; 27 mm nominal cushion reference
Rod diameter / end thread 12 mm / M10×1.25
Cylinder reference weight 2072.22 g; catalog calculation, not measured shipping weight

Reference weight = 489.8 + 2.54 × 623 g, in decimal grams, using the matching non-magnetic SAI single-rod base. A/B rod and H/N seal mass differences are unquantified, so this is not certified variant mass. Brackets, rod joints, sensors and packaging are excluded; actual weight prevails.

The 27 mm nominal cushion distance is not guaranteed usable deceleration length for a shorter stroke. Verify performance at the actual load and speed.

H means fluororubber, not 150 °C approval for the cylinder, sensors, cables or circuit.

Features and Operation

ISO15552 standard cylinder, formerly ISO6431.

Special-shaped bidirectional piston sealing structure with compact size and oil storage.

Profiled aluminium tube without tie rods, corrosion resistance and external sensor grooves.

Stable adjustable pneumatic cushioning.

Multiple cylinder variants and mounting accessories are available.

External and Mounting Dimensions

A+stroke ends at rear-cover face. Derived bare overall adds the shown NA rear boss once. Bare body only; no joints, sensor, mounting accessories or packaging. Magnetic/nonmagnetic dimensions are the same. Symbols refer to their individual drawings, not extra overall dimensions. Plain numerical dimensions below are in millimetres; threads are explicit. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

Basic dimension / drawing symbol Dimension (mm) / thread
Illustrated A + stroke to rear-cover face 765 mm = 142 + 623
Body face span: AC + stroke 717 mm = 94 + 623
Derived bare retracted length: A + stroke + NA 768 mm = 142 + 623 + 3
Derived bare extended length: A + 2 × stroke + NA 1391 mm = 142 + 2 × 623 + 3
Body cross-section 47 × 47 mm
A 142 mm before adding the actual stroke
AB 48
AC 94 mm before adding the actual stroke
AD 27.5
AE 27.5
B 47
D 12
DA 29
E M10×1.25
EA 22
F 17
FA 6
M 30
MA 19
H 10
K M6
KA 16
KB 32.5
N 30
NA 3
P G1/8
PA 13
PB 5.5

Selected Mounting Dimensions

Accessory / drawing symbol Dimension (mm) / thread
TC — Intermediate trunnion mounting F-SAI32TC; symbols below refer to this accessory
A + stroke 765 = 142 + 623
C + stroke 717 = 94 + 623
D 12
F 68.5
G 52
H 76
J 31
S 47
X 3
T 32.5

Mounting and Rod-End Accessories

Mounting option Part code and material
LB — Axial foot mounting F-SI32LB; Low-carbon steel
FA — Front flange mounting F-SI32FA; Aluminium alloy
FB — Rear flange mounting F-SI32FA; Aluminium alloy
CA — Single rear clevis F-SE32CA; Ductile cast iron
CB — Double rear clevis F-SE32CB; Ductile cast iron
CR — Single clevis connection F-SI32CR; Ductile cast iron
TC — Intermediate trunnion mounting F-SAI32TC; Ductile cast iron
FTC — Front-cover trunnion mounting F-SI32FTC; Ductile cast iron
TCM1 — Trunnion support type 1 F-SI32TCM1; Ductile cast iron
TCM2 — Trunnion support type 2 F-SI32TCM2; Aluminium alloy

FA/FB use the same flange plate at different positions. CR requires CB. TC/FTC use matching TCM1/TCM2 supports; confirm the package and fasteners.

SAI32–125 TC is adjustable and separately orderable. The factory-fixed SAI160/200 restriction does not apply to this 32 mm cylinder. Support centers are drawing references; position for the actual load.

For this 32 mm TC bracket, locking torque is 2–3 N·m and the static holding-force reference is 800 N, not cylinder thrust or rated payload. Above this, specify factory nonstandard fixed TC. Fit and position the barrel brackets, check sloping-face contact, then pre-tighten, intermediate-tighten and finally tighten the eight black screws.

Drawing holes: LB 4 AP; FA/FB 4 BP; CR 4 K through-holes and 4 L counterbores; TCM1 4 E; TCM2 4 L through-holes and 4 K counterbores. CA DQ/CB CP tolerance: ±0.1 mm. Hole counts do not establish supplied fastener quantities.

Rod-End Joint Dimensions

Joint / drawing symbol Dimension (mm) / thread / angle
I joint F-M10X125I; symbols below refer to this joint
NC 10
ND 40
NE 50
NF 15
NG 20
NH M10×1.25
NM 10
Reference weight 75 g; separately specified part
Y clevis joint F-M10X125Y; symbols below refer to this joint
A 52
B 40
C 20
D 19
F 18
E M10×1.25
G 25
H 10
I 10
Reference weight 86 g; separately specified part
Floating joint F-M10X125F; symbols below refer to this joint
MA 58
MB 22
MC 7
MD 21
ME 26
MF 11
MG 6
MH 10
MI_MJ M10×1.25
MK 12°
Reference weight 107 g; separately specified part
Spherical rod-end joint F-M10X125U; symbols below refer to this joint
PA 11
PB 26
PC 10
PD 20
PE 43
PF 56
PG M10×1.25
PH 13°
PI 19
PJ 17
PK 14
Reference weight 69 g; separately specified part

M10 × 1.25 rod-end accessories are cataloged as carbon steel, without specifying every component or finish. Select joints and guides for the load. Their masses are excluded from bare-cylinder weight. The Y drawing does not establish a separate pin-kit code or guaranteed kit count.

Service References — Confirm Exact Revision

Parameter Value
TPU seal service reference P-SAI32-R1
NBR seal service reference P-SAI32N-R1
Fluororubber seal service reference P-SAI32-R2
Magnet-ring service reference GMED17X28.8X5
Associated guide ring SAI32 grooved wear-resistant guide ring associated with the magnet ring
Cover service references SAI32 front cover; SAI32 rear cover

Confirm cylinder revision, dimensions, material and fit before ordering these references; interchangeable kits are not independently verified. Cover names are not separate order codes. Seal alternatives are not all fitted to this cylinder.

This cylinder is non-magnetic. Magnet-ring and guide-ring references do not mean a magnet is fitted or establish an approved magnetic conversion.

Force and Application

Parameter Value
Extension effective area 804 mm²; catalog rounded single-rod area
Extension at 0.5 MPa 402 N theoretical
Retraction effective area 690 mm²; catalog rounded single-rod area
Retraction at 0.5 MPa 345 N theoretical

Theoretical axial force = effective area in mm² × pressure in MPa, before friction and losses. Rod area reduces retraction area. These are not safe working loads or guaranteed payloads.

Installation and Maintenance

Use qualified personnel. Before maintenance, secure loads, guard moving parts, isolate power/air and release residual pressure. Prevent unexpected restart motion; design for air or power loss.

Use clean, dry air filtered to 40 µm or finer; remove water, degraded oil and debris. Protect against dust, corrosion, coolant, weld spatter, vibration and heat. Prevent freezing; evaluate unusually dry air. Strong magnetic fields can affect sensing.

Start unloaded; increase load gradually. Align rod/load axes; guide against side load, bending, impact and torque. Check long-stroke buckling, sag, supports and air consumption. Rod joints do not replace guides.

General load-ratio guidelines: at most 0.7 at static/low speed, 0.5 at 50–500 mm/s and 0.3 above 500 mm/s. These are not structural safety factors or payload guarantees. Observe cylinder pressure/speed limits.

Fit flow controls at both ports. Double action commonly uses meter-out: start closed and open gradually. Adjust cushions for load/speed without forcing screws. Heavy or fast loads may need an external absorber or deceleration circuit.

Air compressibility/leakage prevent assuming precise prolonged stops with a closed-center valve or automatic multi-cylinder synchronization. Swinging links need CA/CB/TC pivots, not rigid LB mounts forced through an arc. Select flange direction/support height for the load.

Factory lubrication generally needs no added oil. If introduced, use additive-free ISO-VG32 turbine oil continuously. Catalog guide: oil mist ≤25 mg/m³ and 0.5–5 drops per 1000 L. Size the lubricator for flow; avoid excess or incompatible oil.

Clean piping; keep sealant off leading threads. Where tape is required, start 1.5–2 threads back. Verify tube pressure, temperature, OD, ID and bend radius. Hot-spatter areas may need metal or flame-resistant tubing.

Protect sliding surfaces. Periodically operate stored cylinders and prevent corrosion. Observe the lowest cylinder/fitting/valve/tube/sensor/cable limit; temperature options do not raise other component ratings.

Internal Components — SAI Catalog Reference

Item Material reference
1. Nut Carbon steel / stainless steel
2. Piston rod S45C hard-chrome-plated ground bar / stainless steel
3. Front-cover O-ring TPU
4. Front cover Aluminium alloy
5. Bushing Wear-resistant material
6. Cushion O-ring TPU
7. Barrel Aluminium alloy
8. Piston-rod O-ring NBR
9. Piston Aluminium alloy
10. Piston O-ring NBR
11. Wear ring Wear-resistant material
12. Magnet Not fitted in this non-magnetic cylinder. Catalog magnetic-version reference: Plastic type for bores100 and below; rubber type for other bores
13. Hexagon socket bolt Carbon steel
14. Cushion seal TPU
15. Rear cover Aluminium alloy
16. Support screw cap Carbon steel / stainless steel

This SAI structure reference is not a material certificate for every option. Ordered rod/seal choices prevail: A/B does not make the whole cylinder stainless steel; a seal option does not replace every named elastomer with one material.

Series Ordering Options

Parameter Value
Rod material choices Blank: Medium-carbon steel; A: SUS420J2 stainless steel; B: SUS304 stainless steel
Seal choices Blank: TPU; H: Fluororubber; N: NBR
Magnet choice Blank: no magnet; S: magnet fitted, sensors separately selected
Thread choices PT, G or NPT as specified by the actual order; do not mix thread standards
Catalog standard strokes 25, 50, 75, 80, 100, 125, 150, 160, 175, 200, 250, 300, 350, 400, 450, 500 mm
Maximum / allowable stroke 1000 / 1800 mm; separate catalog limits, not a list of all standard strokes
Stroke tolerance bands 0–250 mm: +1 / -0 mm; 251–1000 mm: +1.5 / -0 mm; 1001–1500 mm: +2 / -0 mm; above 1500 mm not specified

Series alternatives are not simultaneous model features. Confirm special strokes and unlisted combinations. Retain the complete model; select mounts, joints, sensors and circuit parts separately.

Magnetic Sensing

This model has no built-in magnet. DMSE and CMSE magnetic sensors are not applicable to this piston as ordered; adding a sensor does not add a magnet. A separately confirmed magnetic cylinder configuration is required for magnetic detection.

Connection and Tube-Side Options

Separately selected component Complete ordering codes; tube dimensions as labelled
GPC straight 6 mm OD: GPC601,GPC601D; 8 mm OD: GPC801,GPC801D; 10 mm OD: GPC1001,GPC1001D; 12 mm OD: GPC1201,GPC1201D
GPL elbow 6 mm OD: GPL601,GPL601D; 8 mm OD: GPL801,GPL801D; 10 mm OD: GPL1001,GPL1001D; 12 mm OD: GPL1201,GPL1201D
GPC miniature straight 4 mm OD: GPC401-M,GPC401D-M; 6 mm OD: GPC601-M,GPC601D-M
GPL miniature elbow 4 mm OD: GPL401-M,GPL401D-M; 6 mm OD: GPL601-M,GPL601D-M
GPLL extended elbow 4 mm OD: GPLL401,GPLL401D; 6 mm OD: GPLL601,GPLL601D; 8 mm OD: GPLL801,GPLL801D; 10 mm OD: GPLL1001,GPLL1001D
GPEB branch tee 4 mm OD: GPEB401,GPEB401D; 6 mm OD: GPEB601,GPEB601D; 8 mm OD: GPEB801,GPEB801D; 10 mm OD: GPEB1001,GPEB1001D
GPED run tee 4 mm OD: GPED401,GPED401D; 6 mm OD: GPED601,GPED601D; 8 mm OD: GPED801,GPED801D; 10 mm OD: GPED1001,GPED1001D
GPYB Y fitting 4 mm OD: GPYB401,GPYB401D; 6 mm OD: GPYB601,GPYB601D; 8 mm OD: GPYB801,GPYB801D; 10 mm OD: GPYB1001,GPYB1001D
GPH banjo elbow 4 mm OD: GPH401,GPH401D; 6 mm OD: GPH601,GPH601D; 8 mm OD: GPH801,GPH801D
GPHF female-branch banjo 4 mm OD: GPHF401,GPHF401D; 6 mm OD: GPHF601,GPHF601D; 8 mm OD: GPHF801,GPHF801D
GPHW twin banjo 4 mm OD: GPHW401,GPHW401D; 6 mm OD: GPHW601,GPHW601D; 8 mm OD: GPHW801,GPHW801D
GPZB cross fitting 6 mm OD: GPZB601,GPZB601D; 8 mm OD: GPZB801,GPZB801D
GPKD reducing distribution fitting main 6 / branch 4 mm OD: GPKD6-401,GPKD6-401D
GBPC metal straight 4 mm OD: GBPC401; 6 mm OD: GBPC601; 8 mm OD: GBPC801; 10 mm OD: GBPC1001
GBKC compression fitting 4 × 2.5 mm OD × ID: GBKC0425-01; 6 × 4 mm OD × ID: GBKC0604-01; 8 × 5 mm OD × ID: GBKC0805-01; 8 × 5.5 or 6 mm OD × ID: GBKC0806-01
GBB male–male adapter male G1/8: GBB0101; male G1/4: GBB0102; male G3/8: GBB0103
GBZ unused auxiliary port plug GBZ01
Threaded valve-exhaust silencers GBSL01,GBSLM01,GBESL01
GPTL push-lock flow control 6 mm OD: GPTL601A,GPTL601AD,GPTL601B,GPTL601BD; 8 mm OD: GPTL801A,GPTL801AD,GPTL801B,GPTL801BD
GPSS universal flow control 6 mm OD: GPSS601A,GPSS601AD,GPSS601B,GPSS601BD; 8 mm OD: GPSS801A,GPSS801AD,GPSS801B,GPSS801BD
PSA / PSA-S inline flow control 4 mm OD: PSA4,PSA4-S,PSA4D,PSA4D-S; 6 mm OD: PSA6,PSA6-S,PSA6D,PSA6D-S; 8 mm OD: PSA8,PSA8-S,PSA8D,PSA8D-S; 10 mm OD: PSA10,PSA10-S,PSA10D,PSA10D-S; 12 mm OD: PSA12,PSA12-S,PSA12D,PSA12D-S
GPSA inline flow control 4 mm OD: GPSA4,GPSA4D; 6 mm OD: GPSA6,GPSA6D; 8 mm OD: GPSA8,GPSA8D; 10 mm OD: GPSA10,GPSA10D; 12 mm OD: GPSA12,GPSA12D
PPA plug-in valve-exhaust silencer 6 mm OD: PPA6; 8 mm OD: PPA8; 10 mm OD: PPA10; 12 mm OD: PPA12
US98A / UE95A PU tubing 4 × 2.5 mm OD × ID: US98A040025100MBU,UE95A040025100MBU; 6 × 4 mm OD × ID: US98A060040100MBU,UE95A060040100MBU; 8 × 5 mm OD × ID: US98A080050100MBU,UE95A080050100MBU; 10 × 6.5 mm OD × ID: US98A100065100MBU,UE95A100065100MBU; 12 × 8 mm OD × ID: US98A120080100MBU,UE95A120080100MBU
ASC separate inline threaded flow control ASC10006G
GAFR upstream filter/regulator GAFR20006SG

Separately selected alternatives; no supplied-kit or stock promise. Connect both SAI32 working ports with actual G1/8 fittings and correct seals. Check insertion depth, tool/rotation clearance, flow and tube loads. PT/G/NPT are not interchangeable; G needs the correct face seal/mating surface. M10 × 1.25 is the rod thread, not an air port.

Use suitable soft nylon/PU and match OD; compression fittings also need the listed ID. Where offered: D = black, blank = grey, -M = miniature; -S identifies specified 304 stainless parts, not an all-stainless cylinder/circuit. GPHF: male and extra female G1/8 connections; connect or permissibly seal the female branch, which is not a tube socket. Never bridge chambers or unrelated controls with tees, Y/cross/distributors.

Ordinary push-in fittings/flow controls: 0–1 MPa, −20–70 °C. GBPC: 0–0.9 MPa, 0–150 °C; H pressure 0.15–0.9 MPa; verify H temperature. GBKC/GBB/GBZ: 0–1 MPa, 0–150 °C; H pressure 0.15–1 MPa; verify H temperature. Apply lower valve/tube/sensor limits. Component vacuum ratings do not rate the cylinder assembly for vacuum.

GBKC0806-01 takes 8 × 5.5 or 8 × 6 mm tube; 8 × 5 mm needs GBKC0805-01. Install threads using the body hex, not the tube nut; insert tube fully before tightening. GBB has two male ends; match its labelled second end to a female component. GBZ is only for permitted unused auxiliary connections, never active cylinder ports.

Cylinder-end A controls thread → tube exhaust (meter-out), with free reverse supply; B controls tube → cylinder supply (meter-in). A is usual for double-acting exhaust control; B needs a designed meter-in circuit. Start closed/open slowly; not safety isolation. GPTL1/8 cap adjustment: 0.08 N·m recommended, not pipe-thread torque. PSA/PSA-S/GPSA: threadless metric tube-to-tube, no A/B suffix; match both ODs/flow symbol. GPSA does not mean G thread.

PPA6/8/10/12: plain 6/8/10/12 mm stems for matching metric push-in sockets on separate valve exhaust; POM body/cap, PE filter, 0–1 MPa, −20–70 °C. The 25 dB at 0.5 MPa catalog test is not a site-noise promise. No D/thread suffix. PPA/threaded silencers are not cylinder-port parts, inlet filters or shutoffs. Match exhaust thread/flow/backpressure; GBESL adjustment changes backpressure.

ASC: separate inline control, two female ports needing male fittings. Follow P/A/check-throttle symbols. Component 0.05–0.95 MPa, −20–70 °C; SAI path 0.15–0.95 MPa or narrower.

GAFR20006SG: separate upstream filter/regulator, 40 µm element, PC bowl, manual/differential-pressure drain, bracket/gauge. Inlet ≤1 MPa; setting 0.15–0.9 MPa; −5–70 °C, non-freezing. Check flow, pressure drop, condensate, bowl environment and downstream limits. Not cylinder-mounted or a vacuum regulator.

US98A/UE95A: blue 100 m coil examples, not supplied cut lengths; 1 MPa at 23 °C, with temperature derating. US98A −20–70 °C; UE95A −40–70 °C; apply lower assembly limits. Match OD/ID, bend radius, routing and flow. Extra 4/10/12 mm ODs do not inherit the 6 × 4 / 8 × 5 speed references.

Separate Directional-Valve and Tube Examples

G1/8 examples: 4V11006BG, 4V12006BG, 4V21006BG, 4V22006BG, 4A11006G, 4A12006G, 4A21006G, 4A22006G. Valve P/A/B and R/S are G1/8 in these06 examples. Separately piped 5V PT examples: 5V11006B050, 5V12006B050, 5V21006B050, 5V22006B050. Their PT ports require their own correctly threaded fittings; a G cylinder does not change valve thread. Separate circuit examples; no speed guarantee. B means DC24V; cylinder SKU does not select voltage. 10/20 are single/double actuation. Listed 5V uses 050 (0.5 m leads), internal pilot and PT ports only; no G or NPT 5V code is inferred. Listed 4V uses default DIN entry and internal pilot; I flying-lead or -W external-pilot variants are not these examples. 4A needs independent pneumatic pilot commands, no coil voltage; verify pilot-port thread and pilot-air supply. The listed valve limit is 0.15–0.8 MPa with 40 µm filtered air, below the cylinder maximum of 1.0 MPa. Verify switching logic; apply the circuit conditions below.

Blue 100 m coil examples: PA6060040100MBU (PA6, 6×4 mm, -10 to 70°C,3 MPa at 23°C,min bend 45 mm); PA12060040100MBU (PA12, 6×4 mm, -40 to 70°C,2 MPa at 23°C,min bend 35 mm); UN54D060040100MBU (flame-resistant, 6×4 mm, -20 to 70°C,1 MPa at 23°C,min bend 12 mm); UN54D080050100MBU (flame-resistant, 8×5 mm, -20 to 70°C,1 MPa at 23°C,min bend 18 mm). Derate pressure for temperature; select compatible fittings and length. Coils are not supplied cut lengths. No reviewed nylon 8×5 mm option; 8×6 is different. Flame resistance is not a fireproof-system claim.

M5 chart entries are separate valve connections, not SAI cylinder ports. 4M needs NAMUR; no SAI mounting/adapter compatibility is established.

Circuit-Sizing Reference

Theoretical reference speed Flow-area and tube reference
300 mm/s 1.3 mm² effective flow area; 6 × 4 mm tube OD × ID
400 mm/s 1.7 mm² effective flow area; 6 × 4 mm tube OD × ID
500 mm/s 2.1 mm² effective flow area; 6 × 4 mm tube OD × ID
600 mm/s 2.5 mm² effective flow area; 8 × 5 mm tube OD × ID
700 mm/s 2.9 mm² effective flow area; 8 × 5 mm tube OD × ID
800 mm/s 3.4 mm² effective flow area; 8 × 5 mm tube OD × ID

Generic bore-based circuit references, not measured SAI32 speeds. Flow area is neither piston area nor rated valve flow. Pressure, tube length and load are unspecified; the 0.5 MPa force example does not apply. Design for actual valve flow, fittings, tubing, cushioning, exhaust backpressure and the 30–800 mm/s cylinder limit. Similar nominal sizes do not make metric tubes fit inch sockets.

Download the catalog above for dimensions, mounting drawings and symbol positions. Before installation, check the complete configuration, available space and separately selected accessories.

Product form

Specifications: SAI32AX623TCHG — SAI series double-acting single-rod cylinder; 32 mm bore × 623 mm stroke; SUS420J2 rod (A); non-magnetic piston;... Read more

SKU: SAI32AX623TCHG

$263.42 Incl. VAT

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    Description

    Specifications: SAI32AX623TCHG — SAI series double-acting single-rod cylinder; 32 mm bore × 623 mm stroke; SUS420J2 rod (A); non-magnetic piston; intermediate trunnion mounting (TC); fluororubber seals (H); G1/8 ports (G).

    Product Catalog

    Download Airtac Product Catalog (PDF)

    For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

    SI to SAI replacement guide

    Model Code Explained

    Code Meaning
    SAI Standard double-acting single-rod cylinder
    32 32 mm bore
    A SUS420J2 stainless steel
    X Separator before stroke
    623 623 mm stroke
    No magnet suffix Without built-in magnet
    TC Intermediate trunnion mounting
    H Fluororubber seal option
    G G1/8 working ports

    Technical Specifications

    Parameter Value
    Model SAI32AX623TCHG
    Action Double acting, single rod
    Bore 32 mm
    Stroke 623 mm; Special stroke; confirm order and delivery conditions
    Piston rod material SUS420J2 stainless steel
    Magnetic piston Without magnet
    Mounting selection Intermediate trunnion mounting
    Seal option Fluororubber
    Working ports G1/8; two working air ports
    Working medium Air filtered to 40 µm or finer
    Operating pressure 0.15–1 MPa (1.5–10 bar; approximately 22–145 psi)
    Proof pressure 1.5 MPa (15 bar); not continuous operating pressure
    Temperature General catalog: -20 to 70 °C; H-assembly range unestablished
    Piston speed 30–800 mm/s
    Stroke tolerance +1.5 / -0 mm
    Cushioning Adjustable pneumatic cushion; 27 mm nominal cushion reference
    Rod diameter / end thread 12 mm / M10×1.25
    Cylinder reference weight 2072.22 g; catalog calculation, not measured shipping weight

    Reference weight = 489.8 + 2.54 × 623 g, in decimal grams, using the matching non-magnetic SAI single-rod base. A/B rod and H/N seal mass differences are unquantified, so this is not certified variant mass. Brackets, rod joints, sensors and packaging are excluded; actual weight prevails.

    The 27 mm nominal cushion distance is not guaranteed usable deceleration length for a shorter stroke. Verify performance at the actual load and speed.

    H means fluororubber, not 150 °C approval for the cylinder, sensors, cables or circuit.

    Features and Operation

    ISO15552 standard cylinder, formerly ISO6431.

    Special-shaped bidirectional piston sealing structure with compact size and oil storage.

    Profiled aluminium tube without tie rods, corrosion resistance and external sensor grooves.

    Stable adjustable pneumatic cushioning.

    Multiple cylinder variants and mounting accessories are available.

    External and Mounting Dimensions

    A+stroke ends at rear-cover face. Derived bare overall adds the shown NA rear boss once. Bare body only; no joints, sensor, mounting accessories or packaging. Magnetic/nonmagnetic dimensions are the same. Symbols refer to their individual drawings, not extra overall dimensions. Plain numerical dimensions below are in millimetres; threads are explicit. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

    Basic dimension / drawing symbol Dimension (mm) / thread
    Illustrated A + stroke to rear-cover face 765 mm = 142 + 623
    Body face span: AC + stroke 717 mm = 94 + 623
    Derived bare retracted length: A + stroke + NA 768 mm = 142 + 623 + 3
    Derived bare extended length: A + 2 × stroke + NA 1391 mm = 142 + 2 × 623 + 3
    Body cross-section 47 × 47 mm
    A 142 mm before adding the actual stroke
    AB 48
    AC 94 mm before adding the actual stroke
    AD 27.5
    AE 27.5
    B 47
    D 12
    DA 29
    E M10×1.25
    EA 22
    F 17
    FA 6
    M 30
    MA 19
    H 10
    K M6
    KA 16
    KB 32.5
    N 30
    NA 3
    P G1/8
    PA 13
    PB 5.5

    Selected Mounting Dimensions

    Accessory / drawing symbol Dimension (mm) / thread
    TC — Intermediate trunnion mounting F-SAI32TC; symbols below refer to this accessory
    A + stroke 765 = 142 + 623
    C + stroke 717 = 94 + 623
    D 12
    F 68.5
    G 52
    H 76
    J 31
    S 47
    X 3
    T 32.5

    Mounting and Rod-End Accessories

    Mounting option Part code and material
    LB — Axial foot mounting F-SI32LB; Low-carbon steel
    FA — Front flange mounting F-SI32FA; Aluminium alloy
    FB — Rear flange mounting F-SI32FA; Aluminium alloy
    CA — Single rear clevis F-SE32CA; Ductile cast iron
    CB — Double rear clevis F-SE32CB; Ductile cast iron
    CR — Single clevis connection F-SI32CR; Ductile cast iron
    TC — Intermediate trunnion mounting F-SAI32TC; Ductile cast iron
    FTC — Front-cover trunnion mounting F-SI32FTC; Ductile cast iron
    TCM1 — Trunnion support type 1 F-SI32TCM1; Ductile cast iron
    TCM2 — Trunnion support type 2 F-SI32TCM2; Aluminium alloy

    FA/FB use the same flange plate at different positions. CR requires CB. TC/FTC use matching TCM1/TCM2 supports; confirm the package and fasteners.

    SAI32–125 TC is adjustable and separately orderable. The factory-fixed SAI160/200 restriction does not apply to this 32 mm cylinder. Support centers are drawing references; position for the actual load.

    For this 32 mm TC bracket, locking torque is 2–3 N·m and the static holding-force reference is 800 N, not cylinder thrust or rated payload. Above this, specify factory nonstandard fixed TC. Fit and position the barrel brackets, check sloping-face contact, then pre-tighten, intermediate-tighten and finally tighten the eight black screws.

    Drawing holes: LB 4 AP; FA/FB 4 BP; CR 4 K through-holes and 4 L counterbores; TCM1 4 E; TCM2 4 L through-holes and 4 K counterbores. CA DQ/CB CP tolerance: ±0.1 mm. Hole counts do not establish supplied fastener quantities.

    Rod-End Joint Dimensions

    Joint / drawing symbol Dimension (mm) / thread / angle
    I joint F-M10X125I; symbols below refer to this joint
    NC 10
    ND 40
    NE 50
    NF 15
    NG 20
    NH M10×1.25
    NM 10
    Reference weight 75 g; separately specified part
    Y clevis joint F-M10X125Y; symbols below refer to this joint
    A 52
    B 40
    C 20
    D 19
    F 18
    E M10×1.25
    G 25
    H 10
    I 10
    Reference weight 86 g; separately specified part
    Floating joint F-M10X125F; symbols below refer to this joint
    MA 58
    MB 22
    MC 7
    MD 21
    ME 26
    MF 11
    MG 6
    MH 10
    MI_MJ M10×1.25
    MK 12°
    Reference weight 107 g; separately specified part
    Spherical rod-end joint F-M10X125U; symbols below refer to this joint
    PA 11
    PB 26
    PC 10
    PD 20
    PE 43
    PF 56
    PG M10×1.25
    PH 13°
    PI 19
    PJ 17
    PK 14
    Reference weight 69 g; separately specified part

    M10 × 1.25 rod-end accessories are cataloged as carbon steel, without specifying every component or finish. Select joints and guides for the load. Their masses are excluded from bare-cylinder weight. The Y drawing does not establish a separate pin-kit code or guaranteed kit count.

    Service References — Confirm Exact Revision

    Parameter Value
    TPU seal service reference P-SAI32-R1
    NBR seal service reference P-SAI32N-R1
    Fluororubber seal service reference P-SAI32-R2
    Magnet-ring service reference GMED17X28.8X5
    Associated guide ring SAI32 grooved wear-resistant guide ring associated with the magnet ring
    Cover service references SAI32 front cover; SAI32 rear cover

    Confirm cylinder revision, dimensions, material and fit before ordering these references; interchangeable kits are not independently verified. Cover names are not separate order codes. Seal alternatives are not all fitted to this cylinder.

    This cylinder is non-magnetic. Magnet-ring and guide-ring references do not mean a magnet is fitted or establish an approved magnetic conversion.

    Force and Application

    Parameter Value
    Extension effective area 804 mm²; catalog rounded single-rod area
    Extension at 0.5 MPa 402 N theoretical
    Retraction effective area 690 mm²; catalog rounded single-rod area
    Retraction at 0.5 MPa 345 N theoretical

    Theoretical axial force = effective area in mm² × pressure in MPa, before friction and losses. Rod area reduces retraction area. These are not safe working loads or guaranteed payloads.

    Installation and Maintenance

    Use qualified personnel. Before maintenance, secure loads, guard moving parts, isolate power/air and release residual pressure. Prevent unexpected restart motion; design for air or power loss.

    Use clean, dry air filtered to 40 µm or finer; remove water, degraded oil and debris. Protect against dust, corrosion, coolant, weld spatter, vibration and heat. Prevent freezing; evaluate unusually dry air. Strong magnetic fields can affect sensing.

    Start unloaded; increase load gradually. Align rod/load axes; guide against side load, bending, impact and torque. Check long-stroke buckling, sag, supports and air consumption. Rod joints do not replace guides.

    General load-ratio guidelines: at most 0.7 at static/low speed, 0.5 at 50–500 mm/s and 0.3 above 500 mm/s. These are not structural safety factors or payload guarantees. Observe cylinder pressure/speed limits.

    Fit flow controls at both ports. Double action commonly uses meter-out: start closed and open gradually. Adjust cushions for load/speed without forcing screws. Heavy or fast loads may need an external absorber or deceleration circuit.

    Air compressibility/leakage prevent assuming precise prolonged stops with a closed-center valve or automatic multi-cylinder synchronization. Swinging links need CA/CB/TC pivots, not rigid LB mounts forced through an arc. Select flange direction/support height for the load.

    Factory lubrication generally needs no added oil. If introduced, use additive-free ISO-VG32 turbine oil continuously. Catalog guide: oil mist ≤25 mg/m³ and 0.5–5 drops per 1000 L. Size the lubricator for flow; avoid excess or incompatible oil.

    Clean piping; keep sealant off leading threads. Where tape is required, start 1.5–2 threads back. Verify tube pressure, temperature, OD, ID and bend radius. Hot-spatter areas may need metal or flame-resistant tubing.

    Protect sliding surfaces. Periodically operate stored cylinders and prevent corrosion. Observe the lowest cylinder/fitting/valve/tube/sensor/cable limit; temperature options do not raise other component ratings.

    Internal Components — SAI Catalog Reference

    Item Material reference
    1. Nut Carbon steel / stainless steel
    2. Piston rod S45C hard-chrome-plated ground bar / stainless steel
    3. Front-cover O-ring TPU
    4. Front cover Aluminium alloy
    5. Bushing Wear-resistant material
    6. Cushion O-ring TPU
    7. Barrel Aluminium alloy
    8. Piston-rod O-ring NBR
    9. Piston Aluminium alloy
    10. Piston O-ring NBR
    11. Wear ring Wear-resistant material
    12. Magnet Not fitted in this non-magnetic cylinder. Catalog magnetic-version reference: Plastic type for bores100 and below; rubber type for other bores
    13. Hexagon socket bolt Carbon steel
    14. Cushion seal TPU
    15. Rear cover Aluminium alloy
    16. Support screw cap Carbon steel / stainless steel

    This SAI structure reference is not a material certificate for every option. Ordered rod/seal choices prevail: A/B does not make the whole cylinder stainless steel; a seal option does not replace every named elastomer with one material.

    Series Ordering Options

    Parameter Value
    Rod material choices Blank: Medium-carbon steel; A: SUS420J2 stainless steel; B: SUS304 stainless steel
    Seal choices Blank: TPU; H: Fluororubber; N: NBR
    Magnet choice Blank: no magnet; S: magnet fitted, sensors separately selected
    Thread choices PT, G or NPT as specified by the actual order; do not mix thread standards
    Catalog standard strokes 25, 50, 75, 80, 100, 125, 150, 160, 175, 200, 250, 300, 350, 400, 450, 500 mm
    Maximum / allowable stroke 1000 / 1800 mm; separate catalog limits, not a list of all standard strokes
    Stroke tolerance bands 0–250 mm: +1 / -0 mm; 251–1000 mm: +1.5 / -0 mm; 1001–1500 mm: +2 / -0 mm; above 1500 mm not specified

    Series alternatives are not simultaneous model features. Confirm special strokes and unlisted combinations. Retain the complete model; select mounts, joints, sensors and circuit parts separately.

    Magnetic Sensing

    This model has no built-in magnet. DMSE and CMSE magnetic sensors are not applicable to this piston as ordered; adding a sensor does not add a magnet. A separately confirmed magnetic cylinder configuration is required for magnetic detection.

    Connection and Tube-Side Options

    Separately selected component Complete ordering codes; tube dimensions as labelled
    GPC straight 6 mm OD: GPC601,GPC601D; 8 mm OD: GPC801,GPC801D; 10 mm OD: GPC1001,GPC1001D; 12 mm OD: GPC1201,GPC1201D
    GPL elbow 6 mm OD: GPL601,GPL601D; 8 mm OD: GPL801,GPL801D; 10 mm OD: GPL1001,GPL1001D; 12 mm OD: GPL1201,GPL1201D
    GPC miniature straight 4 mm OD: GPC401-M,GPC401D-M; 6 mm OD: GPC601-M,GPC601D-M
    GPL miniature elbow 4 mm OD: GPL401-M,GPL401D-M; 6 mm OD: GPL601-M,GPL601D-M
    GPLL extended elbow 4 mm OD: GPLL401,GPLL401D; 6 mm OD: GPLL601,GPLL601D; 8 mm OD: GPLL801,GPLL801D; 10 mm OD: GPLL1001,GPLL1001D
    GPEB branch tee 4 mm OD: GPEB401,GPEB401D; 6 mm OD: GPEB601,GPEB601D; 8 mm OD: GPEB801,GPEB801D; 10 mm OD: GPEB1001,GPEB1001D
    GPED run tee 4 mm OD: GPED401,GPED401D; 6 mm OD: GPED601,GPED601D; 8 mm OD: GPED801,GPED801D; 10 mm OD: GPED1001,GPED1001D
    GPYB Y fitting 4 mm OD: GPYB401,GPYB401D; 6 mm OD: GPYB601,GPYB601D; 8 mm OD: GPYB801,GPYB801D; 10 mm OD: GPYB1001,GPYB1001D
    GPH banjo elbow 4 mm OD: GPH401,GPH401D; 6 mm OD: GPH601,GPH601D; 8 mm OD: GPH801,GPH801D
    GPHF female-branch banjo 4 mm OD: GPHF401,GPHF401D; 6 mm OD: GPHF601,GPHF601D; 8 mm OD: GPHF801,GPHF801D
    GPHW twin banjo 4 mm OD: GPHW401,GPHW401D; 6 mm OD: GPHW601,GPHW601D; 8 mm OD: GPHW801,GPHW801D
    GPZB cross fitting 6 mm OD: GPZB601,GPZB601D; 8 mm OD: GPZB801,GPZB801D
    GPKD reducing distribution fitting main 6 / branch 4 mm OD: GPKD6-401,GPKD6-401D
    GBPC metal straight 4 mm OD: GBPC401; 6 mm OD: GBPC601; 8 mm OD: GBPC801; 10 mm OD: GBPC1001
    GBKC compression fitting 4 × 2.5 mm OD × ID: GBKC0425-01; 6 × 4 mm OD × ID: GBKC0604-01; 8 × 5 mm OD × ID: GBKC0805-01; 8 × 5.5 or 6 mm OD × ID: GBKC0806-01
    GBB male–male adapter male G1/8: GBB0101; male G1/4: GBB0102; male G3/8: GBB0103
    GBZ unused auxiliary port plug GBZ01
    Threaded valve-exhaust silencers GBSL01,GBSLM01,GBESL01
    GPTL push-lock flow control 6 mm OD: GPTL601A,GPTL601AD,GPTL601B,GPTL601BD; 8 mm OD: GPTL801A,GPTL801AD,GPTL801B,GPTL801BD
    GPSS universal flow control 6 mm OD: GPSS601A,GPSS601AD,GPSS601B,GPSS601BD; 8 mm OD: GPSS801A,GPSS801AD,GPSS801B,GPSS801BD
    PSA / PSA-S inline flow control 4 mm OD: PSA4,PSA4-S,PSA4D,PSA4D-S; 6 mm OD: PSA6,PSA6-S,PSA6D,PSA6D-S; 8 mm OD: PSA8,PSA8-S,PSA8D,PSA8D-S; 10 mm OD: PSA10,PSA10-S,PSA10D,PSA10D-S; 12 mm OD: PSA12,PSA12-S,PSA12D,PSA12D-S
    GPSA inline flow control 4 mm OD: GPSA4,GPSA4D; 6 mm OD: GPSA6,GPSA6D; 8 mm OD: GPSA8,GPSA8D; 10 mm OD: GPSA10,GPSA10D; 12 mm OD: GPSA12,GPSA12D
    PPA plug-in valve-exhaust silencer 6 mm OD: PPA6; 8 mm OD: PPA8; 10 mm OD: PPA10; 12 mm OD: PPA12
    US98A / UE95A PU tubing 4 × 2.5 mm OD × ID: US98A040025100MBU,UE95A040025100MBU; 6 × 4 mm OD × ID: US98A060040100MBU,UE95A060040100MBU; 8 × 5 mm OD × ID: US98A080050100MBU,UE95A080050100MBU; 10 × 6.5 mm OD × ID: US98A100065100MBU,UE95A100065100MBU; 12 × 8 mm OD × ID: US98A120080100MBU,UE95A120080100MBU
    ASC separate inline threaded flow control ASC10006G
    GAFR upstream filter/regulator GAFR20006SG

    Separately selected alternatives; no supplied-kit or stock promise. Connect both SAI32 working ports with actual G1/8 fittings and correct seals. Check insertion depth, tool/rotation clearance, flow and tube loads. PT/G/NPT are not interchangeable; G needs the correct face seal/mating surface. M10 × 1.25 is the rod thread, not an air port.

    Use suitable soft nylon/PU and match OD; compression fittings also need the listed ID. Where offered: D = black, blank = grey, -M = miniature; -S identifies specified 304 stainless parts, not an all-stainless cylinder/circuit. GPHF: male and extra female G1/8 connections; connect or permissibly seal the female branch, which is not a tube socket. Never bridge chambers or unrelated controls with tees, Y/cross/distributors.

    Ordinary push-in fittings/flow controls: 0–1 MPa, −20–70 °C. GBPC: 0–0.9 MPa, 0–150 °C; H pressure 0.15–0.9 MPa; verify H temperature. GBKC/GBB/GBZ: 0–1 MPa, 0–150 °C; H pressure 0.15–1 MPa; verify H temperature. Apply lower valve/tube/sensor limits. Component vacuum ratings do not rate the cylinder assembly for vacuum.

    GBKC0806-01 takes 8 × 5.5 or 8 × 6 mm tube; 8 × 5 mm needs GBKC0805-01. Install threads using the body hex, not the tube nut; insert tube fully before tightening. GBB has two male ends; match its labelled second end to a female component. GBZ is only for permitted unused auxiliary connections, never active cylinder ports.

    Cylinder-end A controls thread → tube exhaust (meter-out), with free reverse supply; B controls tube → cylinder supply (meter-in). A is usual for double-acting exhaust control; B needs a designed meter-in circuit. Start closed/open slowly; not safety isolation. GPTL1/8 cap adjustment: 0.08 N·m recommended, not pipe-thread torque. PSA/PSA-S/GPSA: threadless metric tube-to-tube, no A/B suffix; match both ODs/flow symbol. GPSA does not mean G thread.

    PPA6/8/10/12: plain 6/8/10/12 mm stems for matching metric push-in sockets on separate valve exhaust; POM body/cap, PE filter, 0–1 MPa, −20–70 °C. The 25 dB at 0.5 MPa catalog test is not a site-noise promise. No D/thread suffix. PPA/threaded silencers are not cylinder-port parts, inlet filters or shutoffs. Match exhaust thread/flow/backpressure; GBESL adjustment changes backpressure.

    ASC: separate inline control, two female ports needing male fittings. Follow P/A/check-throttle symbols. Component 0.05–0.95 MPa, −20–70 °C; SAI path 0.15–0.95 MPa or narrower.

    GAFR20006SG: separate upstream filter/regulator, 40 µm element, PC bowl, manual/differential-pressure drain, bracket/gauge. Inlet ≤1 MPa; setting 0.15–0.9 MPa; −5–70 °C, non-freezing. Check flow, pressure drop, condensate, bowl environment and downstream limits. Not cylinder-mounted or a vacuum regulator.

    US98A/UE95A: blue 100 m coil examples, not supplied cut lengths; 1 MPa at 23 °C, with temperature derating. US98A −20–70 °C; UE95A −40–70 °C; apply lower assembly limits. Match OD/ID, bend radius, routing and flow. Extra 4/10/12 mm ODs do not inherit the 6 × 4 / 8 × 5 speed references.

    Separate Directional-Valve and Tube Examples

    G1/8 examples: 4V11006BG, 4V12006BG, 4V21006BG, 4V22006BG, 4A11006G, 4A12006G, 4A21006G, 4A22006G. Valve P/A/B and R/S are G1/8 in these06 examples. Separately piped 5V PT examples: 5V11006B050, 5V12006B050, 5V21006B050, 5V22006B050. Their PT ports require their own correctly threaded fittings; a G cylinder does not change valve thread. Separate circuit examples; no speed guarantee. B means DC24V; cylinder SKU does not select voltage. 10/20 are single/double actuation. Listed 5V uses 050 (0.5 m leads), internal pilot and PT ports only; no G or NPT 5V code is inferred. Listed 4V uses default DIN entry and internal pilot; I flying-lead or -W external-pilot variants are not these examples. 4A needs independent pneumatic pilot commands, no coil voltage; verify pilot-port thread and pilot-air supply. The listed valve limit is 0.15–0.8 MPa with 40 µm filtered air, below the cylinder maximum of 1.0 MPa. Verify switching logic; apply the circuit conditions below.

    Blue 100 m coil examples: PA6060040100MBU (PA6, 6×4 mm, -10 to 70°C,3 MPa at 23°C,min bend 45 mm); PA12060040100MBU (PA12, 6×4 mm, -40 to 70°C,2 MPa at 23°C,min bend 35 mm); UN54D060040100MBU (flame-resistant, 6×4 mm, -20 to 70°C,1 MPa at 23°C,min bend 12 mm); UN54D080050100MBU (flame-resistant, 8×5 mm, -20 to 70°C,1 MPa at 23°C,min bend 18 mm). Derate pressure for temperature; select compatible fittings and length. Coils are not supplied cut lengths. No reviewed nylon 8×5 mm option; 8×6 is different. Flame resistance is not a fireproof-system claim.

    M5 chart entries are separate valve connections, not SAI cylinder ports. 4M needs NAMUR; no SAI mounting/adapter compatibility is established.

    Circuit-Sizing Reference

    Theoretical reference speed Flow-area and tube reference
    300 mm/s 1.3 mm² effective flow area; 6 × 4 mm tube OD × ID
    400 mm/s 1.7 mm² effective flow area; 6 × 4 mm tube OD × ID
    500 mm/s 2.1 mm² effective flow area; 6 × 4 mm tube OD × ID
    600 mm/s 2.5 mm² effective flow area; 8 × 5 mm tube OD × ID
    700 mm/s 2.9 mm² effective flow area; 8 × 5 mm tube OD × ID
    800 mm/s 3.4 mm² effective flow area; 8 × 5 mm tube OD × ID

    Generic bore-based circuit references, not measured SAI32 speeds. Flow area is neither piston area nor rated valve flow. Pressure, tube length and load are unspecified; the 0.5 MPa force example does not apply. Design for actual valve flow, fittings, tubing, cushioning, exhaust backpressure and the 30–800 mm/s cylinder limit. Similar nominal sizes do not make metric tubes fit inch sockets.

    Download the catalog above for dimensions, mounting drawings and symbol positions. Before installation, check the complete configuration, available space and separately selected accessories.

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